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About Pinnacle Group East

 

 

Pinnacle Group East is a construction firm specializing in architect-led residential and institutional projects throughout the Hamptons and greater Long Island. With over 40 years of experience in the construction industry, we are known for our ability to execute complex designs with precision, discipline, and respect for the architectural intent.

Our role is singular and focused: to build exceptionally well. We collaborate closely with architects, designers, and owners to ensure each project is delivered with clarity, craftsmanship, and attention to detail from concept through completion. The result is work that is refined, durable, and quietly confident.

Our Partners

   



Gary Smith


Senior Partner | Operational Leadership


Gary Smith is the Senior Partner of Pinnacle Group East and the firm’s primary operational leader. With decades of hands-on experience in complex residential and institutional construction, he brings exceptional command of execution, coordination, and project leadership.

His oversight from preconstruction through completion establishes the firm’s standards for precision, discipline, and accountability. Under his direction, projects are delivered with rigor, clarity, and enduring quality.


 


Michael C. Gabrell


Partner | Construction Leadership


Michael C. Gabrell brings over 30 years of experience in high-end residential and commercial construction. He works closely with architects, designers, and owners to translate complex design intent into built work that is precise, durable, and thoughtfully executed.

His strengths lie in problem-solving, coordination, and maintaining design integrity throughout all phases of construction, ensuring projects are delivered with consistency, clarity, and attention to detail.


 


Michael J. Bonacasa, A.I.A.


Architectural Leadership


Michael J. Bonacasa, A.I.A., provides architectural leadership that reinforces the firm’s architect-led approach. With more than 35 years of experience across the architectural and construction industries, he brings a deep understanding of project implementation and delivery.

His involvement ensures clarity of design intent and seamless collaboration between design and construction teams, aligning vision, detailing, and execution throughout every phase of a project.



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